/obj/structure/closet
	name = "closet"
	desc = "It's a basic storage unit."
	icon = 'icons/obj/closet.dmi'
	icon_state = "closed"
	density = 1
	var/icon_closed = "closed"
	var/icon_opened = "open"
	var/opened = 0
	var/welded = 0
	var/wall_mounted = 0 //never solid (You can always pass over it)
	var/health = 100
	var/breakout = 0 //if someone is currently breaking out. mutex
	var/storage_capacity = 30 //This is so that someone can't pack hundreds of items in a locker/crate
							  //then open it in a populated area to crash clients.
	var/open_sound = 'sound/machines/click.ogg'
	var/close_sound = 'sound/machines/click.ogg'

	var/store_misc = 1
	var/store_items = 1
	var/store_mobs = 1

	var/const/default_mob_size = 15

/obj/structure/closet/initialize()
	if(!opened)		// if closed, any item at the crate's loc is put in the contents
		var/obj/item/I
		for(I in src.loc)
			if(I.density || I.anchored || I == src) continue
			I.loc = src
		// adjust locker size to hold all items with 5 units of free store room
		var/content_size = 0
		for(I in src.contents)
			content_size += Ceiling(I.w_class/2)
		if(content_size > storage_capacity-5)
			storage_capacity = content_size + 5


/obj/structure/closet/examine(mob/user)
	if(..(user, 1) && !opened)
		var/content_size = 0
		for(var/obj/item/I in src.contents)
			if(!I.anchored)
				content_size += Ceiling(I.w_class/2)
		if(!content_size)
			user << "It is empty."
		else if(storage_capacity > content_size*4)
			user << "It is barely filled."
		else if(storage_capacity > content_size*2)
			user << "It is less than half full."
		else if(storage_capacity > content_size)
			user << "There is still some free space."
		else
			user << "It is full."



/obj/structure/closet/alter_health()
	return get_turf(src)

/obj/structure/closet/CanPass(atom/movable/mover, turf/target, height=0, air_group=0)
	if(air_group || (height==0 || wall_mounted)) return 1
	return (!density)

/obj/structure/closet/proc/can_open()
	if(src.welded)
		return 0
	return 1

/obj/structure/closet/proc/can_close()
	for(var/obj/structure/closet/closet in get_turf(src))
		if(closet != src)
			return 0
	return 1

/obj/structure/closet/proc/dump_contents()
	//Cham Projector Exception
	for(var/obj/effect/dummy/chameleon/AD in src)
		AD.loc = src.loc

	for(var/obj/I in src)
		I.loc = src.loc

	for(var/mob/M in src)
		M.loc = src.loc
		if(M.client)
			M.client.eye = M.client.mob
			M.client.perspective = MOB_PERSPECTIVE

/obj/structure/closet/proc/open()
	if(src.opened)
		return 0

	if(!src.can_open())
		return 0

	src.dump_contents()

	src.icon_state = src.icon_opened
	src.opened = 1
	playsound(src.loc, open_sound, 15, 1, -3)
	density = 0
	return 1

/obj/structure/closet/proc/close()
	if(!src.opened)
		return 0
	if(!src.can_close())
		return 0

	var/stored_units = 0

	if(store_misc)
		stored_units += store_misc(stored_units)
	if(store_items)
		stored_units += store_items(stored_units)
	if(store_mobs)
		stored_units += store_mobs(stored_units)

	src.icon_state = src.icon_closed
	src.opened = 0

	playsound(src.loc, close_sound, 15, 1, -3)
	density = 1
	return 1

//Cham Projector Exception
/obj/structure/closet/proc/store_misc(var/stored_units)
	var/added_units = 0
	for(var/obj/effect/dummy/chameleon/AD in src.loc)
		if((stored_units + added_units) > storage_capacity)
			break
		AD.loc = src
		added_units++
	return added_units

/obj/structure/closet/proc/store_items(var/stored_units)
	var/added_units = 0
	for(var/obj/item/I in src.loc)
		var/item_size = Ceiling(I.w_class / 2)
		if(stored_units + added_units + item_size > storage_capacity)
			continue
		if(!I.anchored)
			I.loc = src
			added_units += item_size
	return added_units

/obj/structure/closet/proc/store_mobs(var/stored_units)
	var/added_units = 0
	for(var/mob/living/M in src.loc)
		if(M.buckled || M.pinned.len)
			continue
		var/current_mob_size = (M.mob_size ? M.mob_size : default_mob_size)
		if(stored_units + added_units + current_mob_size > storage_capacity)
			break
		if(M.client)
			M.client.perspective = EYE_PERSPECTIVE
			M.client.eye = src
		M.loc = src
		added_units += current_mob_size
	return added_units

/obj/structure/closet/proc/toggle(mob/user as mob)
	if(!(src.opened ? src.close() : src.open()))
		user << "<span class='notice'>It won't budge!</span>"
		return
	update_icon()

// this should probably use dump_contents()
/obj/structure/closet/ex_act(severity)
	switch(severity)
		if(1)
			for(var/atom/movable/A as mob|obj in src)//pulls everything out of the locker and hits it with an explosion
				A.loc = src.loc
				A.ex_act(severity++)
			qdel(src)
		if(2)
			if(prob(50))
				for (var/atom/movable/A as mob|obj in src)
					A.loc = src.loc
					A.ex_act(severity++)
				qdel(src)
		if(3)
			if(prob(5))
				for(var/atom/movable/A as mob|obj in src)
					A.loc = src.loc
					A.ex_act(severity++)
				qdel(src)

/obj/structure/closet/proc/damage(var/damage)
	health -= damage
	if(health <= 0)
		for(var/atom/movable/A in src)
			A.loc = src.loc
		qdel(src)

/obj/structure/closet/bullet_act(var/obj/item/projectile/Proj)
	if(!(Proj.damage_type == BRUTE || Proj.damage_type == BURN))
		return

	..()
	damage(Proj.damage)

	return

// this should probably use dump_contents()
/obj/structure/closet/blob_act()
	if(prob(75))
		for(var/atom/movable/A as mob|obj in src)
			A.loc = src.loc
		qdel(src)

/obj/structure/closet/meteorhit(obj/O as obj)
	if(O.icon_state == "flaming")
		for(var/mob/M in src)
			M.meteorhit(O)
		src.dump_contents()
		qdel(src)

/obj/structure/closet/attackby(obj/item/weapon/W as obj, mob/user as mob)
	if(src.opened)
		if(istype(W, /obj/item/weapon/grab))
			var/obj/item/weapon/grab/G = W
			src.MouseDrop_T(G.affecting, user)      //act like they were dragged onto the closet
		if(istype(W,/obj/item/tk_grab))
			return 0
		if(istype(W, /obj/item/weapon/weldingtool))
			var/obj/item/weapon/weldingtool/WT = W
			if(!WT.remove_fuel(0,user))
				if(!WT.isOn())
					return
				else
					user << "<span class='notice'>You need more welding fuel to complete this task.</span>"
					return
			new /obj/item/stack/material/steel(src.loc)
			for(var/mob/M in viewers(src))
				M.show_message("<span class='notice'>\The [src] has been cut apart by [user] with \the [WT].</span>", 3, "You hear welding.", 2)
			qdel(src)
			return
		if(isrobot(user))
			return
		if(W.loc != user) // This should stop mounted modules ending up outside the module.
			return
		usr.drop_item()
		if(W)
			W.loc = src.loc
	else if(istype(W, /obj/item/weapon/packageWrap))
		return
	else if(istype(W, /obj/item/weapon/weldingtool))
		var/obj/item/weapon/weldingtool/WT = W
		if(!WT.remove_fuel(0,user))
			if(!WT.isOn())
				return
			else
				user << "<span class='notice'>You need more welding fuel to complete this task.</span>"
				return
		src.welded = !src.welded
		src.update_icon()
		for(var/mob/M in viewers(src))
			M.show_message("<span class='warning'>[src] has been [welded?"welded shut":"unwelded"] by [user.name].</span>", 3, "You hear welding.", 2)
	else
		src.attack_hand(user)
	return

/obj/structure/closet/MouseDrop_T(atom/movable/O as mob|obj, mob/user as mob)
	if(istype(O, /obj/screen))	//fix for HUD elements making their way into the world	-Pete
		return
	if(O.loc == user)
		return
	if(user.restrained() || user.stat || user.weakened || user.stunned || user.paralysis)
		return
	if((!( istype(O, /atom/movable) ) || O.anchored || get_dist(user, src) > 1 || get_dist(user, O) > 1 || user.contents.Find(src)))
		return
	if(user.loc==null) // just in case someone manages to get a closet into the blue light dimension, as unlikely as that seems
		return
	if(!istype(user.loc, /turf)) // are you in a container/closet/pod/etc?
		return
	if(!src.opened)
		return
	if(istype(O, /obj/structure/closet))
		return
	step_towards(O, src.loc)
	if(user != O)
		user.show_viewers("<span class='danger'>[user] stuffs [O] into [src]!</span>")
	src.add_fingerprint(user)
	return

/obj/structure/closet/attack_ai(mob/user)
	if(istype(user, /mob/living/silicon/robot) && Adjacent(user)) // Robots can open/close it, but not the AI.
		attack_hand(user)

/obj/structure/closet/relaymove(mob/user as mob)
	if(user.stat || !isturf(src.loc))
		return

	if(!src.open())
		user << "<span class='notice'>It won't budge!</span>"

/obj/structure/closet/attack_hand(mob/user as mob)
	src.add_fingerprint(user)
	src.toggle(user)

// tk grab then use on self
/obj/structure/closet/attack_self_tk(mob/user as mob)
	src.add_fingerprint(user)
	if(!src.toggle())
		usr << "<span class='notice'>It won't budge!</span>"

/obj/structure/closet/verb/verb_toggleopen()
	set src in oview(1)
	set category = "Object"
	set name = "Toggle Open"

	if(!usr.canmove || usr.stat || usr.restrained())
		return

	if(ishuman(usr))
		src.add_fingerprint(usr)
		src.toggle(usr)
	else
		usr << "<span class='warning'>This mob type can't use this verb.</span>"

/obj/structure/closet/update_icon()//Putting the welded stuff in updateicon() so it's easy to overwrite for special cases (Fridges, cabinets, and whatnot)
	overlays.Cut()
	if(!opened)
		icon_state = icon_closed
		if(welded)
			overlays += "welded"
	else
		icon_state = icon_opened

/obj/structure/closet/hear_talk(mob/M as mob, text, verb, datum/language/speaking)
	for (var/atom/A in src)
		if(istype(A,/obj/))
			var/obj/O = A
			O.hear_talk(M, text, verb, speaking)

/obj/structure/closet/attack_generic(var/mob/user, var/damage, var/attack_message = "destroys", var/wallbreaker)
	if(!damage || !wallbreaker)
		return
	user.do_attack_animation(src)
	visible_message("<span class='danger'>[user] [attack_message] the [src]!</span>")
	dump_contents()
	spawn(1) qdel(src)
	return 1

/obj/structure/closet/proc/req_breakout()
	if(breakout)
		return 0 //Already breaking out.
	if(opened)
		return 0 //Door's open... wait, why are you in it's contents then?
	if(!welded)
		return 0 //closed but not welded...
	return 1

/obj/structure/closet/proc/mob_breakout(var/mob/living/escapee)
	var/breakout_time = 2 //2 minutes by default

	if(!req_breakout())
		return

	//okay, so the closet is either welded or locked... resist!!!
	escapee.next_move = world.time + 100
	escapee.last_special = world.time + 100
	escapee << "<span class='warning'>You lean on the back of \the [src] and start pushing the door open. (this will take about [breakout_time] minutes)</span>"

	visible_message("<span class='danger'>The [src] begins to shake violently!</span>")

	breakout = 1 //can't think of a better way to do this right now.
	for(var/i in 1 to (6*breakout_time * 2)) //minutes * 6 * 5seconds * 2
		playsound(src.loc, 'sound/effects/grillehit.ogg', 100, 1)
		animate_shake()

		if(!do_after(escapee, 50)) //5 seconds
			breakout = 0
			return
		if(!escapee || escapee.stat || escapee.loc != src)
			breakout = 0
			return //closet/user destroyed OR user dead/unconcious OR user no longer in closet OR closet opened
		//Perform the same set of checks as above for weld and lock status to determine if there is even still a point in 'resisting'...
		if(!req_breakout())
			breakout = 0
			return

	//Well then break it!
	breakout = 0
	escapee << "<span class='warning'>You successfully break out!</span>"
	visible_message("<span class='danger'>\the [escapee] successfully broke out of \the [src]!</span>")
	playsound(src.loc, 'sound/effects/grillehit.ogg', 100, 1)
	break_open()
	animate_shake()

/obj/structure/closet/proc/break_open()
	welded = 0
	update_icon()
	//Do this to prevent contents from being opened into nullspace (read: bluespace)
	if(istype(loc, /obj/structure/bigDelivery))
		var/obj/structure/bigDelivery/BD = loc
		BD.unwrap()
	open()

/obj/structure/closet/proc/animate_shake()
	var/init_px = pixel_x
	var/shake_dir = pick(-1, 1)
	animate(src, transform=turn(matrix(), 8*shake_dir), pixel_x=init_px + 2*shake_dir, time=1)
	animate(transform=null, pixel_x=init_px, time=6, easing=ELASTIC_EASING)